package com.shiminghui;

public class XiMaLaYa {
    public static void main(String[] args) {

        int height = 8844430;
        double height2 = 0.1;
        int count=0;
        while (height2<height){
            height2=height2*2;
            count++;
        }
        System.out.println(count);
    }
}
